Blick Artists' Soft Pastel - Purple Gray 4

Artists' Soft Pastel

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$3.56

Blick Art Materials · recorded 2026-10-21T05:36:38.566295000Z

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Product details
Blick SKU
21948-6154
About this product range

Blick Artists' Soft Pastels are available in a variety of rich, vibrant colors and soft hues, ideal for all types of pastel painting and color sketching.

Created by combining the finest pigments with a minimal amount of binder, Artists' Soft Pastels have a velvety texture that offers easy laydown and consistent coverage. They're great for blending, layering and softening edges — all with minimal crumbling. They're also extremely lightfast.

Available by the individual stick, sets of full length sticks, or half stick sets that allow artists access to twice the color and twice the creative possibilities of the full stick sets. Individual sticks measure 2-1/2" L x 1/2" Dia (64 mm x 13 mm). Half sticks measure 1-1/4" L x 1/2" Dia (32 mm x 13 mm).

For professional quality at an affordable price, artists choose Blick Artists' Soft Pastels.

Please refer to the Item Specs tab of this page for lightfast ratings.

Pigment information

General reference notes about pigments can describe other media (such as oil). They do not verify this product’s exact formulation or behavior.

Mars Black

Pigment code
PBk11
Type
earth
Chemical name
iron oxides
Chemical formula
FeO or Fe2O3
Properties
Mars Black is an opaque black with a strong and cool masstone, a slightly warm tint, and a warm brown undertone. It is not as black as Ivory Black, but it dries more quickly and has three times the tinting strength. Mars Black is normally the only black available in acrylic form and that is safe to over paint. It can be used in all media without reservation and is widely used as an alternative to Lamp Black and Ivory Black.
Permanence
Mars Black is very lightfast with excellent permanence.
Toxicity
Mars Black has no significant hazards and is the only major black pigment considered non-toxic.
History
The word Mars refers to the Roman god of iron and war. Mars Black was developed in the early 20th century from inorganic, synthetic iron oxide.
Description
Black Iron Oxide, Iron Black, Magnetic Oxide, Mapico Black, Mineral Black. Sometimes labeled as Vine Black.

Ultramarine Violet

Pigment code
PV15
Type
inorganic
Chemical name
complex silicate of sodium and aluminum with sulfur
Chemical formula
H2Na(4-6)Al6Si6O24S2
Properties
Ultramarine Violet is a semi-transparent, dull purple to pale violet with low tinting strength. As a pigment, it is weak in most oil applications, but it performs better in water-based mediums, pastels, and chalks. It is generally the bluest of the violet pigments, although there can be significant differences in color across brands. It is not suitable for fresco work and does not mix well with yellows. Ultramarine Violet is a variant of Ultramarine Blue, and their pigment properties are identical.
Permanence
Ultramarine Violet has excellent permanence and lightfastness.
Toxicity
Ultramarine Violet has no significant hazards.
History
Unknown.
Description
Mineral Violet, Violet Ultramarine, Ultramarine Red.

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